Home / 15,942.60-22,000.68-9,228.24

Finding the Fourth Proportional to 15,942.60, 22,000.68 and 9,228.24

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Solution

The fourth proportional to 15,942.60, 22,000.68 and 9,228.24 is: 12,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.60 : 22,000.68 = 9,228.24 : x
  2. Step 2: Convert to fraction form
    15,942.60/22,000.68 = 9,228.24/x
  3. Step 3: Cross multiply
    15,942.60x = 22,000.68 × 9,228.24
  4. Step 4: Simplify right side
    15,942.60x = 203,027,555.20
  5. Step 5: Solve for x
    x = 203,027,555.20/15,942.60
  6. Step 6: Final answer
    x = 12,734.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.